海底地形的复杂多样也为冲绳独一无二的海洋美景增色。
The complex patterns in the sea floor geography gave rise to Okinawa 's unique ocean beauty.
现在已有足够的水深测量数据来绘制一张大西洋洋底地形图，而且我对海底地形的千变万化也有了一定的了解。
Today, enough soundings are available to enable a relief map of the Atlantic to be drawn and we know something of the great variety of the sea bed's topography.
水深(或海底地形)的数据往往是在船只上使用声纳测量海底采集的。
Bathymetric (or sea floor terrain) data is often collected from boats using sonar to take measurements of the sea floor. The lines reflect the path of the boat as it gathers the data.
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